text: """
  Abstract Class of Reporter.
  
  @author: Hao Song (songhao@vmware.com)
  """
  
  
  class Reporter:
      """Tracing span data reporter."""
  
      def __init__(self, source=None):
          """
          Construct reporter.
  
          :param source: Source of the reporter
          :type source: str
          """
          self.source = source
  
      def report(self, wavefront_span):
          """
          Report tracing span.
  
          :param wavefront_span: Wavefront span to be reported
          :type wavefront_span: wavefront_opentracing_python_sdk.WavefrontSpan
          """
          raise NotImplementedError
  
      def get_failure_count(self):
          """
          Get failure count of the reporter.
  
          :return: Failure count
          :rtype: int
          """
          raise NotImplementedError
  
      def close(self):
          """Close the reporter."""
          raise NotImplementedError
  